/* ═══════════════════════════════════════════════════════════════
   HOME PAGE — index.css
   ═══════════════════════════════════════════════════════════════ */

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  display: block;
  padding-top: var(--nav-height);
}

.hero-left {
  padding: 5rem 3rem 4rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 60%;
}

.hero-headline em { font-style: italic; color: var(--color-accent); }

.hero-desc {
  margin-top: 2.5rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-ink-light);
  max-width: 38ch;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 4rem;
}

.hero-links { display: flex; flex-direction: column; gap: 0.5rem; }

.hero-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.hero-links a:hover { color: var(--color-accent); }

.hero-scroll-hint {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

.hero-right {
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  padding: 5rem 2.5rem 4rem 3rem;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.hero-right::before {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,92,56,0.07) 0%, transparent 70%);
  top: -60px; right: -60px;
  pointer-events: none;
}

.stat-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-line);
}

.stat-row:last-child { border-bottom: none; }

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-ink);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.stat-sub {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  font-style: italic;
  margin-top: 0.15rem;
}

/* ── FILTER BAR ──────────────────────────────────────────────── */
.filter-bar {
  padding: 1.1rem 2.5rem;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  background: var(--color-bg);
  position: sticky;
  top: var(--nav-height);
  z-index: 50;
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-right: 0.4rem;
  flex-shrink: 0;
}

.filter-divider {
  width: 1px;
  height: 1.1rem;
  background: var(--color-line);
  margin: 0 0.25rem;
  flex-shrink: 0;
}

/* Base button */
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-line);
  color: var(--color-ink-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
}

.filter-btn:hover {
  border-color: currentColor;
  color: var(--color-ink);
}

/* Dot indicator inside each category button */
.filter-btn .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.filter-btn:hover .dot,
.filter-btn.active .dot { opacity: 1; }

/* Per-category colors */
.filter-btn[data-filter="physical"] { color: var(--color-tag-physical); border-color: color-mix(in srgb, var(--color-tag-physical) 25%, transparent); }
.filter-btn[data-filter="physical"]:hover { border-color: var(--color-tag-physical); }
.filter-btn[data-filter="physical"].active {
  background: var(--color-tag-physical);
  border-color: var(--color-tag-physical);
  color: var(--color-bg);
}

.filter-btn[data-filter="software"] { color: var(--color-tag-software); border-color: color-mix(in srgb, var(--color-tag-software) 25%, transparent); }
.filter-btn[data-filter="software"]:hover { border-color: var(--color-tag-software); }
.filter-btn[data-filter="software"].active {
  background: var(--color-tag-software);
  border-color: var(--color-tag-software);
  color: var(--color-bg);
}

.filter-btn[data-filter="craft"] { color: var(--color-tag-craft); border-color: color-mix(in srgb, var(--color-tag-craft) 25%, transparent); }
.filter-btn[data-filter="craft"]:hover { border-color: var(--color-tag-craft); }
.filter-btn[data-filter="craft"].active {
  background: var(--color-tag-craft);
  border-color: var(--color-tag-craft);
  color: var(--color-bg);
}

.filter-btn[data-filter="research"] { color: var(--color-tag-research); border-color: color-mix(in srgb, var(--color-tag-research) 25%, transparent); }
.filter-btn[data-filter="research"]:hover { border-color: var(--color-tag-research); }
.filter-btn[data-filter="research"].active {
  background: var(--color-tag-research);
  border-color: var(--color-tag-research);
  color: var(--color-bg);
}

/* Active dot flips to white when button is filled */
.filter-btn.active .dot { opacity: 0.7; background: var(--color-bg); }

/* Clear button — appears only when filters are active */
.filter-clear {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.32rem 0.5rem;
  margin-left: 0.25rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
  display: none; /* shown by JS when active */
}

.filter-clear.visible { display: inline-block; }
.filter-clear:hover { color: var(--color-ink); }

/* ── LOCATION TAGS (on project cards) ───────────────────────── */
/* Override the base .ptag for location-type tags */
.ptag.location {
  border: none;
  background: transparent;
  font-style: normal;
  color: var(--color-ink-muted);
  padding-left: 0;
  padding-right: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.project-meta-left .project-year::after {
  content: '|';
  margin-left: 0.6rem;
  color: var(--color-line);
}

/* ── SECTION HEADER ──────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 2.5rem 2.5rem 1.75rem;
  border-bottom: 1px solid var(--color-line);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  transition: opacity 0.2s;
}

.section-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

/* Active filter chips shown next to section title */
.active-filters {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-left: auto;
}

.active-filter-chip {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  color: var(--color-ink-muted);
}

/* ── OVERFLOW SECTION (filtered "other projects") ────────────── */
/* Reuses archive styles but with a different label */
.overflow-section {
  border-top: 1px solid var(--color-line);
  display: none; /* shown by JS when filters active */
}

.overflow-section.visible { display: block; }

.overflow-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  transition: color var(--transition);
}

.overflow-toggle:hover { color: var(--color-ink); }

.overflow-icon {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s ease;
}

.overflow-toggle.open .overflow-icon { transform: rotate(45deg); }

.overflow-list { display: none; border-top: 1px solid var(--color-line); }
.overflow-list.open { display: block; }

/* ── PROJECT GRID ────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-left: 1px solid var(--color-line);
}

.project-card {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  transition: background var(--transition), opacity 0.3s, transform 0.3s;
}

.project-card:hover { background: var(--color-surface); }
.project-card:hover .project-image img { transform: scale(1.03); }

.project-card.filtered-out {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.98);
}

/* Hide collapsed cards from layout flow */
.projects-grid.filtering .project-card.filtered-out {
  display: none;
}

.project-image {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-paper);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.project-body { padding: 1.75rem 2rem 2.25rem; }

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.project-meta-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.project-meta-right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.project-subtitle {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  margin-bottom: 1rem;
  font-style: italic;
}

.project-outcomes { display: flex; flex-direction: column; gap: 0.3rem; }

.outcome-item {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.outcome-item::before {
  content: '→';
  color: var(--color-accent);
  flex-shrink: 0;
}

.project-arrow {
  position: absolute;
  bottom: 1.75rem;
  right: 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  transition: transform var(--transition), color var(--transition);
}

.project-card:hover .project-arrow {
  transform: translate(3px, -3px);
  color: var(--color-accent);
}

/* ── NO RESULTS MESSAGE ──────────────────────────────────────── */
.no-results {
  display: none;
  padding: 4rem 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-left: 1px solid var(--color-line);
  grid-column: 1 / -1;
}

/* ── ARCHIVE ─────────────────────────────────────────────────── */
.archive-section { border-top: 1px solid var(--color-line); }

.archive-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  transition: color var(--transition);
}

.archive-toggle:hover { color: var(--color-ink); }

.archive-icon {
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.archive-toggle.open .archive-icon { transform: rotate(45deg); }

.archive-list { display: none; border-top: 1px solid var(--color-line); }
.archive-list.open { display: block; }

.archive-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition);
  position: relative;
}

.archive-item:hover { background: var(--color-surface); }

/* ── ARCHIVE HOVER PREVIEW ───────────────────────────────────── */
.archive-preview {
  position: fixed;
  pointer-events: none;
  z-index: 999;
  width: 240px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.archive-preview.visible { opacity: 1; }

.archive-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.archive-num {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.archive-name {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
}

.archive-middle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.archive-sub,
.archive-location,
.archive-sep {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.archive-sep { opacity: 0.4; }

.archive-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: flex-end; }

/* ── ABOUT STRIP ─────────────────────────────────────────────── */
.about-strip {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
  display: grid;
  grid-template-columns: 1fr 2fr;
  min-height: 300px;
}

.about-strip-left {
  border-right: 1px solid var(--color-line);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-strip-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.about-strip-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 300;
  line-height: 1.1;
}

.about-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition), color var(--transition);
}

.about-link:hover { gap: 0.9rem; color: var(--color-accent); }

.about-strip-right {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
}

.skills-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.skill-chip {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-ink-light);
  background: var(--color-bg);
}

.about-bio {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-ink-light);
  max-width: 55ch;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-left { padding: 5rem 2rem 3rem; }
  .hero-headline { max-width: 80%; }
  .hero-right { padding: 2.5rem 2rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
  .stat-row { padding: 1.5rem; border-bottom: none; border-right: 1px solid var(--color-line); }
  .stat-row:last-child { border-right: none; }
  .about-strip { grid-template-columns: 1fr; }
  .about-strip-left { border-right: none; border-bottom: 1px solid var(--color-line); }
}

@media (max-width: 768px) {
  .hero-right { grid-template-columns: 1fr; }
  .stat-row { border-right: none; border-bottom: 1px solid var(--color-line); padding: 1.25rem 1.25rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .section-header { padding: 2rem 1.25rem 1.5rem; }
  .filter-bar { padding: 1rem 1.25rem; }
  .archive-item { grid-template-columns: 44px 1fr; gap: 0.75rem; padding: 1rem 1.25rem; }
  .archive-middle, .archive-tags { display: none; }
  .archive-toggle { padding: 1.25rem; }
  .about-strip-right { padding: 2rem 1.25rem; }
  .about-strip-left { padding: 2rem 1.25rem; }
  .project-body { padding: 1.25rem 1.25rem 2rem; }
  .project-meta {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .project-meta-left { width: 100%; }
  .project-meta-right { width: 100%; }
}

@media (max-width: 480px) {
  .hero-left { padding: 4.5rem 1.25rem 2.5rem; }
  .hero-headline { font-size: 2.4rem; max-width: 100%; }
  .about-strip-title { font-size: 1.8rem; }
}